HEAT EXERGETIC ANALYSIS COGENERATION PYROLYSIS HYDROTREATMENT EXERGY ANALYSIS AIR PRE-HEATER SUPERCRITICAL CYCLE PARTICLES AIR HEATER PROCESS DESIGN FIBRES SUGARCANE ENERGY EFFICIENCY MICROTOMOGRAPHY EXERGY BIOMASS BIOMASS BOILER ZONING OF SUGARCANE DRAG COEFFICIENT CICLONE DRYING SUGAR ALCOHOL FACTORY ENERGY PNEUMATIC DRYING BOILER HYDROTHERMAL PRETREATMENT EFFICIENCY FREE - SETTLING VELOCITY SELECTIVITY DRYER THERMOECONOMIC ANALYSIS SUGAR CANE SHAPE INDIRECT METHOD BIOFUELS HEMICELLULOSES ECONOMIZER ETHANOL